No other part numbers with same form, fit, and function found.
A complete set for making a record of sonic variations that may be afterwards reproduced on a compatible sound reproducer.
NSN 6620-01-415-2307
NSN 6320-00-405-2348
NSN 6150-00-840-6405
NSN 6105-01-446-6527
NSN 5960-00-443-1483
NSN 6645-01-062-0905
NSN 6150-01-023-7710
NSN 6620-00-470-3219
NSN 5950-01-542-9972
NSN 5998-00-271-1555
NSN 5975-01-569-2490
NSN 2925-01-133-8128